How much is Helios School tuition?

For 2026-27, tuition at Helios School is $46,360 for grades Lower School; $50,570 for grades Middle School, per the school's website.

Does Helios School require the ISEE or SSAT?

Helios School does not require an admission test.

When is the Helios School application deadline?

The main application deadline is January 7, 2027, and decisions are released March 11, 2027. Families apply through Ravenna.

Does Helios School offer financial aid?

Yes. Helios School reported $346,024 in financial aid to 14 students on its 2024 IRS Form 990.

How many students attend Helios School?

Helios School enrolls 157 students in grades K–8, with about 7 students per teacher (NCES Private School Survey, 2023-24).

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Helios School tuition & admissions

Sunnyvale, CAGrades K–8Day, coedheliosschool.org

Tuition 2026-27

$50,570

Highest grade band

Application deadline

January 7

2027

Students

157

7 students per teacher

Admission test

None

Tuition 2026-27

Grades	Day
Lower School	$46,360
Middle School	$50,570

Financial aid: $346,024 to 14 students (about $24,716 each) in 2024, per the school's IRS Form 990.

How to apply

Entry grades	K, 1, 2, 3, 4, 5, 6, 7, 8
Admission test, grades K-4	No test
Admission test, grades 5-8	No test
Interview	—
Apply through	Ravenna
Application fee	—
Deadline	January 7, 2027
Decisions released	March 11, 2027

School facts

Students	157
Teachers (full-time equivalent)	24
Students per teacher	6.7
School days per year	175
Endowment	—
Annual revenue	$8,584,883 (2024)
Head of school pay	$316,457

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Helios School FAQ

How much is Helios School tuition?: For 2026-27, tuition at Helios School is $46,360 for grades Lower School; $50,570 for grades Middle School, per the school's website.
Does Helios School require the ISEE or SSAT?: Helios School does not require an admission test.
When is the Helios School application deadline?: The main application deadline is January 7, 2027, and decisions are released March 11, 2027. Families apply through Ravenna.
Does Helios School offer financial aid?: Yes. Helios School reported $346,024 in financial aid to 14 students on its 2024 IRS Form 990.
How many students attend Helios School?: Helios School enrolls 157 students in grades K–8, with about 7 students per teacher (NCES Private School Survey, 2023-24).

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Sources: tuition and admissions from heliosschool.org (checked Oct 2026); enrollment from the NCES Private School Survey 2023-24; finances from the 2024 IRS Form 990. “—” means we couldn't find it.